Electronic, magnetic and optical properties of oxide surfaces, heterostructures and interfaces role of defects
Electronic, magnetic and optical properties of oxide surfaces, heterostructures and interfaces role of defects
... not all defects in oxides are detrimental for applications Instead, they have their own specific roles in determining the electronic, magnetic and optical properties of oxides and oxide heterostructures ... bonds and prone to a variety of cationic and anionic point defects energetically favorable in such materials Point defects could significantly affect the ele...
Electronic, magnetic and optical properties of atomically controlled complex oxide heterostructures and interfaces
... ELECTRONIC, MAGNETIC AND OPTICAL PROPERTIES OF ATOMICALLY CONTROLLED COMPLEX OXIDE HETEROSTRUCTURES AND INTERFACES XIAO WANG (B.Sc, Shandong University, P.R China) ... spin and orbital degree of freedom in complex oxides, new properties can emerge at the interfaces of atomically flat oxide heterostructures, because of the inherent discontinuities a...
Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures
... asymptotically the value of the band-gap of the undoped Si-nw This is another indication of how doping can modify the electronic and optical properties of the Si nanostructures Conclusions 3.2 3.4 ... systematic analysis of the effect of the B and P codoping in Si-nw, concentrating not only on the structural properties but also on how doping i...
synthesis and optical properties of colloidal tungsten oxide nanorods
... arc-lamp, excitation at 275 nm) of the three tungsten oxide nanorod samples of various lengths dissolved in dichloromethane Figure Photoluminescence spectra of tungsten oxide nanorods; 25 ( nm (short), ... micrographs of (a) ( 0.5 nm × 25 ( nm and (b) ( 1.5 nm × 130 ( 30 nm tungsten oxide nanorods Little is known about the photoluminescence of nanostructured tungst...
Báo cáo hóa học: " Synthesis, magnetic and optical properties of core/shell Co1-xZnxFe2O4/SiO2 nanoparticles" pot
... investigate the effect of Zn2+ partially substituting for Co2+ in CoFe2O4 nanoparticles (Co1-xZnxFe2O4; x = 0, 0.5, and 1) and shelling with silica on the magnetic and optical properties of the ferrite ... the magnetic properties and diffuse reflectance of the prepared ferrite nanoparticles, respectively Results and discussion Figure 1a, b, c shows the X-ray diffract...
DEFECT INDUCED NOVEL ELECTRICAL, MAGNETIC AND OPTICAL PROPERTIES OF TIO2 THIN FILMS GROWN BY PULSED LASER DEPOSITION
... electronic and magnetic properties of epitaxially grown transition metal doped TiO2 thin films by pulsed laser deposition technique on different metal oxide substrates Crystal Structure of TiO2 TiO2 ... magnetic semiconductor applications The objective of this thesis is to investigate the defect induced electrical, optical, magnetic and structural p...
Investigation of electronic and optical properties of molybdenum disulfide modulated by surface functionalization
... background and literature review 1.1.1 Synthesis of 2D TMDCs 1.1.2 Electronic, optical and vibrational properties of TMDCs Electronic structure Optical properties ... preparation and device fabrication 69 4.3 Modulating MoS2 FET electronic transport properties by Cs2CO3 surface functionalization 71 4.4 Modulating optical properties of MoS2 by Cs2CO3 ......
First principles optical properties of silicon and germanium nanowires
... models Optical properties of SiNWs and GeNWs In Section of the present paper, we aim to point out the importance of the many-body effects on the optical response of some of the studied nanowires ... [41] Optical gaps in SiNWs and GeNWs: quantum confinement and anisotropy effects In this section, we will describe the electronic properties of hydrogen passivated, free...
evaluation of shape and size effects on optical properties of zno pigment
... morphology effects of ZnO pigments on their optical properties The synthesis conditions were according to our previous works [18,19] Typical synthesis conditions of ZnO powders synthesized in this ... concentration of zinc nitrate and potassium hydroxide solutions (Molar) Experimental 2.1 Preparation of pigments ZnO samples were prepared by hydrothermal method and us...
fabrication and optical properties of ordered sea urchin-like zno
... and SAED pattern of the sea urchin-like ZnO nanostructures are presented in Fig Fig 2a and b displays the low magnification and high magnification SEM images of the sea urchin-like ZnO nanostructures, ... pattern (a) and UV–visible optical absorption characteristics (b) of the sea urchin-like ZnO nanostructures Fig SEM images (a,b), TEM image (c), HRTEM image (...
synthesis and optical properties of au-ag alloy nanoclusters with controlled composition, p26
... Biosynthesis of Bimetallic Au-Ag Alloy Nanoparticles”, Small, Vol 1, pp 517-520, 2005 [25 P Raveendran, J Fu, and S L Wallen, “A simple and green method for the synthesis of Au, Ag, and Au–Ag alloy ... Figure Calculated optical absorption spectra for Au-Ag bimetallic colloidal solutions with different molar ratios of Au and Ag Conclusions Au-Ag nanoclusters of...
Báo cáo toán học: " The structural and optical properties of GaSb/InGaAs type- quantum dots grown on InP (100) substrate" ppt
... investigated the structural and optical properties of type-II GaSb/InGaAs QDs grown on InP (100) substrate using molecular beam epitaxy [MBE] Experiments GaSb/InGaAs type-II QDs were grown on the (100) ... independent of the excitation power which is a typical feature of the type-I band transition Therefore, the interband transition of the GaS...